{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11233121","patent":{"patent_number":"US-11233121","title":"Method of making bipolar transistor","assignee":null,"inventors":[],"filing_date":"2020-06-15T00:00:00.000Z","publication_date":"2022-01-25T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L"],"num_claims":20,"abstract":"A bipolar transistor includes a substrate having a first well with a first dopant type; and a split collector region in the substrate, the split collector region including a highly doped central region having the first dopant type, and a lightly doped peripheral region having a second dopant type, opposite the first dopant type, wherein the lightly doped peripheral region surrounds the highly doped central region, a dopant concentration of the lightly doped peripheral region ranges from about 5×1012 ions/cm3 to about 5×1013 ions/cm3, and the lightly doped peripheral region has a same maximum depth as the highly doped central region."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of making bipolar transistor","description":"A bipolar transistor includes a substrate having a first well with a first dopant type; and a split collector region in the substrate, the split collector region including a highly doped central regio","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11233121","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11233121","citation_suggestion":"Patentable. \"Method of making bipolar transistor\" (US-11233121). https://patentable.app/patents/US-11233121","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11233121","json":"https://patentable.app/api/llm-context/US-11233121","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T17:15:04.015Z"}